Prophylactic device



FIG. 1 is an elevational view of a prophylactic device showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is an elevational view of a prophylactic device showing an additional embodiment of my new design;

FIG. 5 is a top plan view of the design shown in FIG. 4; and

FIG. 6 is a bottom plan view of the design shown in FIG. 4. 

The ornamental design for a prophylactic device as shown, and described. 